Headline:
Hazardous Seas Watch issued October 1 at 7:59PM ChST until October 4 at 5:00PM ChST by NWS Tiyan GU
Event:
Hazardous Seas Watch
Urgency:
Future
Effective:
October 1, 2026 - 2:59am
Expires:
October 1, 2026 - 5:00pm
Description:
* WHAT...For the Gale Warning, southwest winds around 30 kt with
frequent gusts up to 45 kt and seas 12 to 17 feet expected. For the
Small Craft Advisory, west winds 25 to 30 kt with gusts up to 40
kt and seas 12 to 14 feet. For the Hazardous Seas Watch, very steep
and hazardous seas 12 to 16 feet possible.
* WHERE...Guam Coastal Waters and Rota Coastal Waters.
* WHEN...For the Gale Warning, from 5 AM Friday to 5 PM ChST
Saturday. For the Small Craft Advisory, until 5 AM ChST Friday.
For the Hazardous Seas Watch, from Saturday afternoon through
Sunday afternoon.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Combined seas will rapidly increase today with
10 to 12 ft forecasted tonight, peaking to 15 ft over the weekend.
West to southwest winds will be fresh to strong with frequent gusts
up to gale-force expected.
Instruction:
Inexperienced mariners, especially those operating smaller
vessels, should avoid boating in hazardous conditions.
Area Description:
Guam Coastal Waters; Rota Coastal Waters
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov